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Diffstat (limited to 'dom/json/nsJSON.h')
-rw-r--r-- | dom/json/nsJSON.h | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/dom/json/nsJSON.h b/dom/json/nsJSON.h new file mode 100644 index 000000000..fd9fcd774 --- /dev/null +++ b/dom/json/nsJSON.h @@ -0,0 +1,94 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef nsJSON_h__ +#define nsJSON_h__ + +#include "nsIJSON.h" +#include "nsString.h" +#include "nsCOMPtr.h" +#include "nsIOutputStream.h" +#include "nsIUnicodeEncoder.h" +#include "nsIUnicodeDecoder.h" +#include "nsIRequestObserver.h" +#include "nsIStreamListener.h" +#include "nsTArray.h" + +class nsIURI; + +class MOZ_STACK_CLASS nsJSONWriter +{ +public: + nsJSONWriter(); + explicit nsJSONWriter(nsIOutputStream* aStream); + virtual ~nsJSONWriter(); + nsresult SetCharset(const char *aCharset); + nsCOMPtr<nsIOutputStream> mStream; + nsresult Write(const char16_t *aBuffer, uint32_t aLength); + nsString mOutputString; + bool DidWrite(); + void FlushBuffer(); + +protected: + char16_t *mBuffer; + uint32_t mBufferCount; + bool mDidWrite; + nsresult WriteToStream(nsIOutputStream *aStream, nsIUnicodeEncoder *encoder, + const char16_t *aBuffer, uint32_t aLength); + + nsCOMPtr<nsIUnicodeEncoder> mEncoder; +}; + +class nsJSON : public nsIJSON +{ +public: + nsJSON(); + + NS_DECL_ISUPPORTS + NS_DECL_NSIJSON + +protected: + virtual ~nsJSON(); + + nsresult EncodeInternal(JSContext* cx, + const JS::Value& val, + nsJSONWriter* writer); + + nsresult DecodeInternal(JSContext* cx, + nsIInputStream* aStream, + int32_t aContentLength, + bool aNeedsConverter, + JS::MutableHandle<JS::Value> aRetVal); + nsCOMPtr<nsIURI> mURI; +}; + +nsresult +NS_NewJSON(nsISupports* aOuter, REFNSIID aIID, void** aResult); + +class nsJSONListener : public nsIStreamListener +{ +public: + nsJSONListener(JSContext *cx, JS::Value *rootVal, bool needsConverter); + + NS_DECL_ISUPPORTS + NS_DECL_NSIREQUESTOBSERVER + NS_DECL_NSISTREAMLISTENER + +protected: + virtual ~nsJSONListener(); + + bool mNeedsConverter; + JSContext *mCx; + JS::Value *mRootVal; + nsCOMPtr<nsIUnicodeDecoder> mDecoder; + nsCString mSniffBuffer; + nsTArray<char16_t> mBufferedChars; + nsresult ProcessBytes(const char* aBuffer, uint32_t aByteLength); + nsresult ConsumeConverted(const char* aBuffer, uint32_t aByteLength); + nsresult Consume(const char16_t *data, uint32_t len); +}; + +#endif |